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Discuss Filling loop - small leak after repressure in the Central Heating Forum area at UKPlumbersForums.co.uk.

  1. SJI

    SJI New Member

    Hi all
    I bled a radiator today and had to top up the pressure on my Glowworm 24cxi combi.
    After I closed the valves and turned the heating back on there was a slight trickle of water from flow side of the loop. Couldn't see exactly - but not the valve itself, somewhere above it.
    Just a few of teaspoons worth. And an hour later, no further signs of leakage.
    Happened a few months back after I moved in and bled a different radiator and topped up. There were no leaks afterwards and it had a service shortly after with no problems detected. Stupidly I forgot to ask the engineer about it at the time.

    Anyone had this problem before? Should I get someone out to investigate? Boiler is about 10 years old.

    Photo attached. Thanks in advance for any help 20190108_141057.jpg 20190108_141057.jpg 20190108_141057.jpg 20190108_141057.jpg
     
  2. Rob Foster

    Rob Foster Top Contributor!!

    often washers dry out and when they get wet seal themselves , dint worry
    centralheatking
     
    • Winner Winner x 1
  3. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    May be a small drip inside the boiler. If you are worried give a local engineer a call.
     
    • Like Like x 1
  4. KingDoey

    KingDoey Plumber GSR

    Flow link inside the boiler is notorious for leaking on them. Particularly when repressurising.

    You will need a registered engineer to check this

    Cheers
     
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